CN206391632U - A kind of portable liquid-liquid extraction pipe - Google Patents
A kind of portable liquid-liquid extraction pipe Download PDFInfo
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- CN206391632U CN206391632U CN201720034991.4U CN201720034991U CN206391632U CN 206391632 U CN206391632 U CN 206391632U CN 201720034991 U CN201720034991 U CN 201720034991U CN 206391632 U CN206391632 U CN 206391632U
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- liquid
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Abstract
The utility model discloses a kind of portable liquid-liquid extraction pipe, the portable liquid-liquid extraction pipe includes extraction tube body, pipe cap, the extraction tube body is the hollow cavity of upper end open, and the bottom of the extraction tube body is provided with passage, and provided with can the closed passage seal;The seal is removably to be tightly connected with the passage for extracting tube body;The pipe cap is removably tightly connected with extracting the upper end open of tube body, and the pipe cap is upside down funnel shape, and the funnel is provided with drain pipe, and the drain pipe is provided with rotary-piston valve.Liquid-liquid extraction pipe of the present utility model, which can be directly placed into turbula shaker, carries out extracting operation, improves extraction efficiency;Liquid-liquid extraction pipe is minimized, it can carry out shifting after low dose of liquid-liquid extraction, oscillation extraction and can directly carry out centrifugally operated, it is possible to resolve the emulsion that may occur in Liquid-liquid Extraction Processes, and be conducive to liquid layered, reduce the loss in liquid transfer process and impurity is brought into.
Description
Technical field
The utility model is related to chemical experiment fixture technology field, and more particularly to a kind of portable, which can be centrifuged, can be vortexed and can divide
The liquid-liquid extraction pipe of liquid.
Background technology
In chemical analysis field, liquid-liquid extraction is a kind of important extraction means, using material two kinds it is immiscible (or
Slightly soluble) solvent in solubility or the difference of distribution coefficient, make solute from a kind of solvent be transferred to another solvent in side
Method.A point liquid operation is needed during liquid-liquid extraction.Traditional laboratory point liquid operation uses separatory funnel, passes through artificial or instrument
Vibration is extracted, then stratification, releases lower floor's liquid.In traditional operation, artificial vibration takes time and effort, and is difficult batch and grasps
Make;By mechanical oscillation, conventional liquid-liquid extraction oscillator typically also only has 6-10 separatory funnel and places position, and a large amount of operations are also
It need to be conducted batch-wise, and vibration apparatus floor space is big.In commercialization analysis testing laboratory, detection portfolio increasingly increases,
When running into the detection process for needing liquid-liquid extraction, such separatory funnel seriously restricts detection cycle.
In recent years, analysis and detection technology is intended to milligram ammonia direction and developed, and complies with environmental protection, energy-conservation etc. and requires, pre-treatment
Sampling amount in journey, solvent usage amount all tends to small quantization, therefore the volume requirement of knockout is also gradually reduced.In addition, liquid liquid
In extraction process, easily there is emulsion, have a strong impact on testing result, and abolish emulsification except using add particular agent,
Heating etc. is outside method, and centrifugation is also a kind of conventional fast emulsion breaking means, according to conventional separatory funnel, liquid need to be transferred to from
Separatory funnel is then transferred to after heart pipe, centrifugation and carries out a point liquid, it is cumbersome, it is easily introduced pollutant, and the influence rate of recovery.
Therefore, it is necessary to for problem above, design one kind can batch mechanical shaking extraction, can centrifuge, the liquid liquid of simple operation
Extracting tube.
Utility model content
The utility model provides a kind of centrifuging to be vortexed and can dividing the liquid-liquid extraction pipe of liquid for portable, and its bottom is set
Passage and sealing-plug, pipe cap set the drain pipe with rotary-piston valve, profile and size with conventional vortex oscillator and from
Scheming matches, and can carry out vortex oscillation and centrifugally operated to be extracted, after the completion of extraction, is inverted extracting tube, stratification
Afterwards, lower floor's liquid can be flowed out at the drain pipe of pipe cap, and extraction, centrifugation, the behaviour for dividing liquid one-stop can be completed by this extracting tube
Make.It is adapted to the batch operation of analysis testing laboratory, quickness and high efficiency, and detection quality can be improved.
The technical solution adopted in the utility model is:
A kind of portable liquid-liquid extraction pipe, the portable liquid-liquid extraction pipe includes extraction tube body, pipe cap, the extraction
Tube body is the hollow cavity of upper end open, and the bottom of the extraction tube body is provided with passage, and provided with can be closed described logical
The sealing-plug of stomata;The sealing-plug is removably to be tightly connected with the passage for extracting tube body;The pipe cap and extraction
The upper end open of tube body is removably is tightly connected, and the pipe cap is upside down funnel shape, and the funnel is provided with out liquid
Pipe, the drain pipe is provided with rotary-piston valve;
Further, the sealing-plug is connected with extracting the passage of tube body for thread seal, further, the sealing-plug
Externally threaded plug screw is provided with for outer wall, the passage inwall is provided with the internal thread being engaged with the external screw thread of sealing-plug, described
In sealing-plug insertion passage, it is connected with the passage thread seal for extracting tube body.
Further, preferably described pipe cap is connected with extracting the upper end open of tube body for thread seal, further, the pipe
The outer wall that cap inwall is provided with internal thread, the upper end open of the extraction tube body is provided with to be engaged with the internal thread of pipe cap inwall
External screw thread, the extraction tube body upper end open insertion pipe cap in, be connected with the pipe cap thread seal.
Further, the extraction tube body is indicated provided with volume markings, is easy to control reagent dosage.
Further, at the drain pipe of the pipe cap rotary-piston valve can control the opening and closing of drain pipe, so as to control liquid
Body flows out state and adjusts fluid flow size.
The portable liquid-liquid extraction pipe that the utility model is provided uses plastic material, the preferred 10-50mL of volume capacity, extraction
The profile and size of tube body and conventional turbula shaker and the size Corresponding matching of centrifuge.
It is preferred that the extraction tube body is transparent plastics material.
When in use, sealing-plug is connected with extracting the vent seal of tube body for liquid-liquid extraction pipe of the present utility model,
Then sample to be extracted and extractant are added into extraction tube body, pipe cap are tightly connected with extraction tube body, now pipe cap
Drain pipe at rotary-piston valve be closed.Then of short duration violent vibration, now if necessary, pipe can be opened
The rotary-piston valve that the drain pipe of cap goes out is deflated.Rotary-piston valve is closed, extracting tube is put into turbula shaker and entered
The oscillation extraction of row certain time, after vibration terminates, is put into centrifuge and is centrifuged, then slow inversion body, stratification,
Open the sealing-plug at the passage of extraction tube body to be ventilated, make inside and outside air pressure balance, the rotation of pipe cap is opened in then regulation
Turn a work obturator valve and carry out a point liquid operation.In addition, after sample to be extracted and extractant is added, can also first use common pipe cap
With extraction tube body sealing, carry out vortex oscillation, be then centrifuged for, after centrifugation, common pipe cap is removed, the pipe cap of the application is covered
Sealing, is then inverted body and carries out a point liquid operation.
The beneficial effects of the utility model are:Compared with existing conventional separatory funnel, liquid liquid extraction of the present utility model
Take pipe to be directly placed into turbula shaker and carry out extracting operation, reduce cumbersome artificial oscillating operation, and can be in high volume same
When extract, saved artificial and time cost;Liquid-liquid extraction pipe is minimized, and can carry out low dose of liquid-liquid extraction, save reagent into
This, meets green, energy-saving and environmental protection requirement;Centrifugally operated can be directly carried out without transfer after oscillation extraction, helps to solve liquid liquid
The emulsion that may occur in extraction process, and be conducive to liquid layered, reduce the loss in liquid transfer process and impurity
Bring into.
Brief description of the drawings
Fig. 1 is the overall sectional structure chart of liquid-liquid extraction pipe.
Fig. 2 is the sectional structure chart of extraction tube body.
Fig. 3 is the sectional structure chart of pipe cap.
In figure, 1 is extraction tube body, and 2 be pipe cap, and 3 be passage, and 4 be sealing-plug, and 5 be drain pipe, and 6 be rotary-piston
Valve.
Embodiment
The utility model embodiment is elaborated again below in conjunction with accompanying drawing, but protection domain of the present utility model is not
It is limited to this.
Embodiment 1
A kind of portable liquid-liquid extraction pipe, as shown in FIG. 1 to 3, the portable liquid-liquid extraction pipe include extracting tube sheet
Body 1, pipe cap 2, the extraction tube body 1 are the hollow cavity of upper end open, and the bottom of the extraction tube body 1 is provided with passage
3, and provided with can the closed passage 3 sealing-plug 4;The passage 3 of the sealing-plug 4 and extraction tube body is dismountable
It is tightly connected, further, in the present embodiment, sealing-plug 4 is connected with extracting the passage 3 of tube body for thread seal, described close
Blocking 4 is that outer wall is provided with externally threaded plug screw, and the inwall of passage 3 is provided with the interior spiral shell being engaged with the external screw thread of sealing-plug
In line, the insertion of sealing-plug 4 passage 3, it is connected with the thread seal of passage 3 for extracting tube body.
The pipe cap 2 is removably tightly connected with extracting the upper end open of tube body 1, further, in the present embodiment,
The pipe cap 2 is connected with extracting the upper end open of tube body 1 for thread seal, and the inwall of the pipe cap 2 is provided with internal thread, described
Extract the outer wall at the upper end open of tube body 1 and be provided with the external screw thread being engaged with the internal thread of pipe cap inwall, the extracting tube
In the upper end open insertion pipe cap of body 1, it is connected with the thread seal of pipe cap 2.
The pipe cap 2 is upside down funnel shape, and the funnel is provided with drain pipe 5, and the drain pipe 5 is lived provided with rotation
Obturator valve 6;Controllable liquid flows out and adjusts fluid flow size.
In the present embodiment, the extraction tube body 1 is indicated provided with volume markings, is easy to control reagent dosage.
Extracting tube integrally uses plastic material, volume capacity 10-50mL, profile and size and conventional turbula shaker with
And the size Corresponding matching of centrifuge.
In one preferred embodiment, tube body 1 is extracted for transparent plastics material, body external diameter 15-50mm suitable for reading,
Tube length is 50-150mm, and extracting tube body lower part is conical region, and being fabricated in the middle of heavy wall, bottom has a diameter 5mm,
Height 5mm passage 3, the passage is threadedly coupled provided with internal thread with sealing-plug 4.Sealing-plug 4 is plastic material, and cylinder is total
It is highly 7mm, two parts above and below point, top is arranged with external screw thread, threaded portion height of column 5mm, diameter 5mm, with passage
Adaptation, lower part, without screw thread, is highly 2mm, a diameter of 7mm, sealing-plug 4 coordinates with passage 3, can form close after screwing on
Close.
Pipe cap 2 is plastic material, and lower inner diameter is 15-50mm, is matched with the body external diameter suitable for reading for extracting tube body.Pipe cap
Inwall is provided with internal thread, extracts the outer wall at the upper end open of tube body 1 outer provided with what is be engaged with the internal thread of pipe cap inwall
Screw thread, both are threaded connection, and cooperation forms sealing after screwing;Pipe cap 2 is upside down funnel shape, and the funnel is provided with out liquid
Pipe 5, the drain pipe 5 is provided with rotary-piston valve 6;Controllable liquid flows out and adjusts fluid flow size.
When in use, by the passage of sealing-plug and extraction tube body by screw thread screwing hermetic, then by sample to be extracted
Product and extractant add extraction tube body, by pipe cap and extraction tube body screwing hermetic, the now rotation at the drain pipe of pipe cap
Obturator valve is turned a work to be closed.Then of short duration violent vibration, now if necessary, what the drain pipe that can open pipe cap went out
Rotary-piston valve is deflated.Rotary-piston valve is closed, extracting tube is put into turbula shaker carries out shaking for certain time
Extraction is swung, after vibration terminates, centrifuge is put into and is centrifuged, then slow to be inverted body, stratification screws out extraction tube body
Passage at sealing-plug ventilated, make inside and outside air pressure balance, then regulation open pipe cap rotary-piston valve carry out
Divide liquid operation.In addition, after sample to be extracted and extractant is added, can also be first using common tapped pipe cap and extraction
Tube body screwing hermetic is taken, vortex oscillation is carried out, is then centrifuged for, after centrifugation, common pipe cap is removed, the pipe cap of the application is covered
Screwing hermetic, is then inverted body and carries out a point liquid operation.
Claims (8)
1. a kind of portable liquid-liquid extraction pipe, it is characterised in that the portable liquid-liquid extraction pipe includes extraction tube body, pipe cap,
The extraction tube body is the hollow cavity of upper end open, and the bottom of the extraction tube body is provided with passage, and provided with can be close
Close the seal of the passage;The seal is removably to be tightly connected with the passage for extracting tube body;The pipe
Cap is removably tightly connected with extracting the upper end open of tube body, and the pipe cap is upside down funnel shape, and the funnel is set
There is drain pipe, the drain pipe is provided with rotary-piston valve.
2. portable liquid-liquid extraction pipe as claimed in claim 1, it is characterised in that the seal is logical with extraction tube body
Stomata connects for thread seal.
3. portable liquid-liquid extraction pipe as claimed in claim 2, it is characterised in that the seal is that outer wall is provided with external screw thread
Plug screw, the passage inwall is provided with the internal thread that is engaged with the external screw thread of sealing-plug, and the seal inserts passage
It is interior, it is connected with the passage thread seal for extracting tube body.
4. portable liquid-liquid extraction pipe as claimed in claim 1, it is characterised in that the upper end of the pipe cap and extraction tube body
It is open and is connected for thread seal.
5. portable liquid-liquid extraction pipe as claimed in claim 4, it is characterised in that the pipe cap inwall is provided with internal thread, described
Extract the outer wall at the upper end open of tube body and be provided with the external screw thread being engaged with the internal thread of pipe cap inwall, the extracting tube sheet
In the upper end open insertion pipe cap of body, it is threadedly coupled with the pipe cap.
6. portable liquid-liquid extraction pipe as claimed in claim 1, it is characterised in that the extraction tube body is provided with volume markings
Sign.
7. portable liquid-liquid extraction pipe as claimed in claim 1, it is characterised in that the portable liquid-liquid extraction pipe is using modeling
Expect material.
8. portable liquid-liquid extraction pipe as claimed in claim 1, it is characterised in that the profile and size of the extraction tube body
With the size Corresponding matching of conventional turbula shaker and centrifuge.
Priority Applications (1)
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CN201720034991.4U CN206391632U (en) | 2017-01-12 | 2017-01-12 | A kind of portable liquid-liquid extraction pipe |
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CN201720034991.4U CN206391632U (en) | 2017-01-12 | 2017-01-12 | A kind of portable liquid-liquid extraction pipe |
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CN206391632U true CN206391632U (en) | 2017-08-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112755584A (en) * | 2020-12-15 | 2021-05-07 | 鲁南制药集团股份有限公司 | High-efficient extraction centrifugal device |
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2017
- 2017-01-12 CN CN201720034991.4U patent/CN206391632U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112755584A (en) * | 2020-12-15 | 2021-05-07 | 鲁南制药集团股份有限公司 | High-efficient extraction centrifugal device |
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